Rishi Kejriwal

• Username: 4★rishi_kej123
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Roorkee Uttarakhand, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 31

Current Ratings Graph Old Ratings Graph

1918 (+66)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 154 (Rated)(2024-10-02 22:00:02)

Global Rank:   36

Cheated in:   

Ratings System Update

(2024-10-02 22:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

1605 (+1)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 68 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   10

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (31)

November Challenge 2021 Division 3 (Rated)

Hill Sequence, Weird Palindrome Making, Which Fuel is Cheaper, Equal Coins

CodeChef Starters 17 Division 3 (Rated)

Chef on Vacation, New Piece

CodeChef Starters 18 Division 3 (Rated)

Compare those strings, Back to Campus, Make them equal

CodeChef Starters 20 Division 3 (Rated)

Stable Sequence, Genes, Chef and Pal

FizzBuzz Division 2 (Rated)

Magical Planks, Can_Reach

November Lunchtime 2021 Division 3

Chef and Stock Prices

December Challenge 2021 Division 3 (Rated)

Check Mate, Utkarsh and Placement tests, Valleys and Hills

December Cook-Off 2021 Division 3

Binary String Game, Two Rooks, Friends Meetup, Musical Chairs

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Covid Spread, Prime in a binary string

January Long 2022 - II, Division 3 (Rated)

Crying Colours, TCS Examination, Chef and Fixed Deposits

July Long Two 2022 Division 3 (Rated)

Maximize Difference, Chef in his Office, To Divide or Not To Divide, Hungry Chef

Starters 49 Division 3 (Rated)

Valid Minimum, High Frequency, N Buttons 1 Bulb

Starters 50 Division 3 (Rated)

Permutation GCD, Nearest Court, Average Permutation

Starters 51 Division 3 (Rated)

Split N, Different Medians, TV Discount, Dominant Element

Starters 52 Division 3 (Rated)

Air Conditioner Temperature, WA Test Cases, Minimum Sum

Starters 55 Division 3 (Rated)

Balls and Boxes, Permutation Clear, Mean and Median, Broken Phone, OR Tuples

Starters 68 Division 3 (Rated)

Boring String, XOR Product, Expense List, Interesting Array, Make AP, Make Money

Starters 71 Division 2 (Rated)

Pet Store, Maximizing LCS, Expected Sum, Flip the Prefix

Starters 90 Division 2 (Rated)

Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome

Starters 94 Division 2 (Rated)

CodeChef Streak, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, EVacuate to Moon, Transfusion Chain

Starters 96 Division 2 (Rated)

Mex Array, Remove Multiples

Starters 97 Division 2 (Rated)

Schrodinger Smiley, No Palindrome, Triplets Min

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

Starters 149 (Rated)

Maximise Sum, Kill Monsters (Easy Version), Chef Loves Beautiful Strings (Easy Version), Easy Subarray Sum

Starters 150 (Rated)

Equal Pairs (Hard), Min Ops (Easy), Find Multiset State, Equal Pairs (Easy)

Starters 154 (Rated)

Count Winning Subarrays, GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game

Total Problems Solved: 161